Subsequent Events	12 Months Ended
Dec. 31, 2017
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events From January 1, 2018 to February 23, 2018, we acquired one industrial property and one land parcel for a purchase price of approximately $15,625, excluding costs incurred in conjunction with the acquisition of the industrial property. During January 2018, the Company restructured its staffing to align its personnel with changes in its portfolio. The severance and other costs associated with the restructuring is approximately $1,000. During February 2018, the Company renewed a lease on a long term basis for a 1.3 million square feet facility located in Eastern PA, that was set to expire during the three months ended March 31, 2018. Effective as of January 1, 2018, the Company, as general partner of the Operating Partnership, adopted a First Amendment to the Twelfth Amended and Restated Limited Partnership Agreement (the “LPA Amendment”) to amend the Twelfth Amended and Restated Limited Partnership Agreement of the Operating Partnership (the “Existing LPA”) to provide that the General Partner, who had existing authority regarding tax matters decision-making authority as the “Tax Matters Partner” of the Operating Partnership under the Existing LPA, would also be designated as the “Partnership Representative” of the Operating Partnership pursuant to the revised partnership audit rules adopted pursuant to the Bipartisan Budget Act of 2015 with respect to taxable years starting January 1, 2018. A conformed copy of the Existing LPA, which incorporates the amendments effectuated pursuant to the LPA Amendment, is attached hereto as Exhibit 3.9 to this Annual Report on Form 10-K. On February 15, 2018, the Operating Partnership issued $150,000 of 3.86% Series C Guaranteed Senior Notes due February 15, 2028 (the “2028 Private Placement Notes”) and $150,000 of 3.96% Series D Guaranteed Senior Notes due February 15, 2030 (the “2030 Private Placement Notes”) in a private placement pursuant to a Note and Guaranty Agreement dated December 12, 2017. The 2028 Private Placement Notes and the 2030 Private Placement Notes are unsecured obligations of the Operating Partnership that are fully and unconditionally guaranteed by the Company and require semi-annual interest payments. We anticipate paying off $157,782 of mortgage loans payable which were originally scheduled to mature on June 1, 2018 on or about March 1, 2018.

Subsequent Events

From January 1, 2018 to February 23, 2018, we acquired one industrial property and one land parcel for a purchase price of approximately $15,625, excluding costs incurred in conjunction with the acquisition of the industrial property.

During January 2018, the Company restructured its staffing to align its personnel with changes in its portfolio. The severance and other costs associated with the restructuring is approximately $1,000.

During February 2018, the Company renewed a lease on a long term basis for a 1.3 million square feet facility located in Eastern PA, that was set to expire during the three months ended March 31, 2018.

Effective as of January 1, 2018, the Company, as general partner of the Operating Partnership, adopted a First Amendment to the Twelfth Amended and Restated Limited Partnership Agreement (the “LPA Amendment”) to amend the Twelfth Amended and Restated Limited Partnership Agreement of the Operating Partnership (the “Existing LPA”) to provide that the General Partner, who had existing authority regarding tax matters decision-making authority as the “Tax Matters Partner” of the Operating Partnership under the Existing LPA, would also be designated as the “Partnership Representative” of the Operating Partnership pursuant to the revised partnership audit rules adopted pursuant to the Bipartisan Budget Act of 2015 with respect to taxable years starting January 1, 2018. A conformed copy of the Existing LPA, which incorporates the amendments effectuated pursuant to the LPA Amendment, is attached hereto as Exhibit 3.9 to this Annual Report on Form 10-K.

On February 15, 2018, the Operating Partnership issued $150,000 of 3.86% Series C Guaranteed Senior Notes due February 15, 2028 (the “2028 Private Placement Notes”) and $150,000 of 3.96% Series D Guaranteed Senior Notes due February 15, 2030 (the “2030 Private Placement Notes”) in a private placement pursuant to a Note and Guaranty Agreement dated December 12, 2017. The 2028 Private Placement Notes and the 2030 Private Placement Notes are unsecured obligations of the Operating Partnership that are fully and unconditionally guaranteed by the Company and require semi-annual interest payments.

We anticipate paying off $157,782 of mortgage loans payable which were originally scheduled to mature on June 1, 2018 on or about March 1, 2018.